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Pictured here are single biological cells with photonic nanocavities inserted inside of them, demonstrating for the first time that an advanced optical probe can operate inside living cells. The photonic crystal cavity probe is active in nature and can be configured to provide a multitude of actions for both intracellular sensing and control.

This finite-difference time-domain simulation of the electric field inside a photonic crystal nanocavity shows how photonic crystals can be used to confine and recirculate light at very high intensities inside an extremely small volume.

Pictured here are single biological cells with photonic nanocavities inserted inside of them, demonstrating for the first time that an advanced optical probe can operate inside living cells. The photonic crystal cavity probe is active in nature and can be configured to provide a multitude of actions for both intracellular sensing and control.